refactor(cli): resolve workspace alias into tenant_id

libs/cli/langgraph_cli/deploy.py

@@ -1237,17 +1237,17 @@ def _create_host_backend_client(
 ) -> HostBackendClient:
     if env_vars is None:
         env_vars = _parse_env_from_config({}, pathlib.Path.cwd() / DEFAULT_CONFIG)
-    tenant_id = env_vars.get("LANGSMITH_TENANT_ID") or os.environ.get(
-        "LANGSMITH_TENANT_ID"
-    )
-    workspace_id = env_vars.get("LANGSMITH_WORKSPACE_ID") or os.environ.get(
-        "LANGSMITH_WORKSPACE_ID"
-    )
-    if tenant_id and workspace_id:
-        raise click.UsageError(
-            "LANGSMITH_TENANT_ID and LANGSMITH_WORKSPACE_ID cannot both be set. "
-            "Set only one."
-        )
+    tenant_id = None
+    for name in ("LANGSMITH_TENANT_ID", "LANGSMITH_WORKSPACE_ID"):
+        value = env_vars.get(name) or os.environ.get(name)
+        if not value:
+            continue
+        if tenant_id:
+            raise click.UsageError(
+                "LANGSMITH_TENANT_ID and LANGSMITH_WORKSPACE_ID cannot both be set. "
+                "Set only one."
+            )
+        tenant_id = value
     resolved_api_key = api_key
     if not resolved_api_key:
         for key_name in _API_KEY_ENV_NAMES:
@@ -1270,9 +1270,7 @@ def _create_host_backend_client(
             fg="yellow",
         )
         resolved_api_key = click.prompt("Enter LangSmith API key", hide_input=True)
-    return HostBackendClient(
-        host_url, resolved_api_key, tenant_id=tenant_id or workspace_id
-    )
+    return HostBackendClient(host_url, resolved_api_key, tenant_id=tenant_id)
 
 
 def _call_host_backend_with_optional_tenant(